Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

2,413 questions · 2,602 findings · 93 reviews · Oral Health

No studies found 452 · 17.4%GRADE not reported 1,582 · 60.8%Very low 392 · 15.1%Low 122 · 4.7%Moderate 53 · 2%High 1 · 0%

Anticonvulsants (gabapentin 300 mg/day, +/- alpha lipoic acid) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether anticonvulsants (gabapentin 300 mg/day, +/- alpha lipoic acid) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Antidepressants (trazodone 200 mg/day) vs placebo

Frequency of adverse effects ‐ dizziness ( · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether antidepressants (trazodone 200 mg/day) changes adverse effects: dizziness compared with placebo (very low certainty).

1 finding from 1 review

CBT vs No special instructions (control)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adults undergoing orthodontic treatment

Cognitive behavioural therapy (CBT) led to lower patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no special instructions (control); GRADE not reported.

3 findings from 1 review

Topical bleomycin vs placebo or no treatment

Clinical resolution (oral lesion not completely resolved) · People with a diagnosis of oral leukoplakia

It is very uncertain whether topical bleomycin changes clinical resolution (oral lesion not completely resolved) compared with placebo or no treatment (very low certainty).

1 finding from 1 review

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Nutritional status · Nursing home residents (mean age 78.3 to 86.0 years; more than 66% women; 62.1% to 87.3% with dental prostheses)

Educational intervention with information and practical components… showed no clear difference in nutritional status compared with (Optimised) usual care; GRADE not reported.

1 finding from 1 review

Low‐level laser therapy vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether electromagnetic radiation (low-level laser therapy) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

NSAIDs (ketorolac oral rinse; systemic celecoxib) vs placebo or no treatment

Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • SoF 3, Safety of the intervention over 3 months: systemic celecoxib (1 study) - 32 intervention participants reported 56 adverse effects, 20 placebo participants reported 20; 4 grade 3 events; 2 discontinued. Ketorolac…
    2 studies
    GRADE not reported

NSAIDs (ketorolac oral rinse; systemic celecoxib) vs placebo or no treatment

Improvement of histological features (not improved) · People with a diagnosis of oral leukoplakia

The review found no eligible studies for this question.

1 finding from 1 review

Hyperbaric oxygen therapy plus standard care (surgery, antibiotics, oral rinse) vs Standard care alone (surgery, antibiotics, oral rinse)

Healing of osteonecrosis - improvement ('healed' or 'improved' vs 'unchanged' or 'worse') · People with BRONJ (mean age ~66 years; most treated with bisphosphonates for cancer (multiple myeloma, breast cancer) or osteoporosis)

Hyperbaric oxygen therapy plus standard care (surgery, antibiotics,… showed no clear difference in healing of osteonecrosis - improvement ('healed' or 'improved' vs… compared with standard care alone (surgery, antibiotics, oral rinse); GRADE not reported.

5 findings from 1 review
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Low‐level laser therapy vs Placebo (or no irradiation)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents and adults undergoing orthodontic treatment

Low‐level laser therapy (LLLT) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with placebo (or no irradiation); GRADE not reported.

5 findings from 1 review
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Antidepressants (trazodone 200 mg/day) vs placebo

Adverse event: tremor · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether antidepressants (trazodone 200 mg/day) changes adverse effects: tremor compared with placebo (very low certainty).

1 finding from 1 review

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Oral health-related attitude of nursing staff · Nursing home nursing staff (approximately 95% female in the two contributing studies)

Educational intervention with information and practical components… showed no clear difference in oral health-related attitude of nursing staff compared with (Optimised) usual care; GRADE not reported.

1 finding from 1 review

Experimental chewing adjuncts (bite wafers or chewing gum) vs No chewing gum, placebo, or control (no adjunct)

Patient‐reported pain intensity or pain relief (VAS, NRS or categorical scale) · Adolescents/teenagers undergoing orthodontic treatment

Experimental chewing adjuncts (bite wafers or chewing gum) showed no clear difference in patient‐reported pain intensity or pain relief (VAS, NRS or… compared with no chewing gum, placebo, or control (no adjunct); GRADE not reported.

5 findings from 1 review
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Benzodiazepines (systemic clonazepam 0.5 mg/day) vs placebo

Relief of burning/discomfort (symptom relief; pain intensity) · People with primary burning mouth syndrome (BMS), that is, oral mucosal pain with no dental or medical cause for such symptoms

It is very uncertain whether benzodiazepines (systemic clonazepam 0.5 mg/day) changes relief of burning/discomfort (symptom relief; pain intensity) compared with placebo (very low certainty).

1 finding from 1 review

Topical bleomycin vs placebo or no treatment

Safety of the intervention (adverse effects) · People with a diagnosis of oral leukoplakia
1 finding from 1 review
  • Interventions for treating oral leukoplakia to prevent oral cancer 2016 · Cochrane All outcomes
    up to 3 months
    SoF 5, Safety of the intervention up to 3 months: 'All patients in the bleomycin group developed erythema with erosion by the end of the applications, whereas erythema developed in the placebo group. Discomfort was…
    1 study
    GRADE not reported

Educational intervention with information and practical components (theoretical oral health education plus practical skills training) for nursing staff and/or residents vs (Optimised) usual care

Oral health-related knowledge of nursing staff · Nursing home nursing staff (approximately 95% female in the two contributing studies)

Educational intervention with information and practical components… showed no clear difference in oral health-related knowledge of nursing staff compared with (Optimised) usual care; GRADE not reported.

1 finding from 1 review